Projects:Making cola - Bewerkingsoverzicht

Sjors Gielen: /* Batches so far */

2026-07-07T20:33:33Z

Batches so far

← Oudere versie		Versie van 7 jul 2026 20:33
Regel 553:		Regel 553:
	* Don't add spa intense to the syrup, but add syrup to the spa intense?		* Don't add spa intense to the syrup, but add syrup to the spa intense?
	* Perhaps Quellbrunn bruisend is more carbonated than spa intense? Or is it because the Quellbrunn bruisend is very cold?		* Perhaps Quellbrunn bruisend is more carbonated than spa intense? Or is it because the Quellbrunn bruisend is very cold?
			* Bas' carbon injector can go to 9 bar CO2 which seems to be stronger than spa intense!

Sjors Gielen: /* Batches so far */

2026-07-07T20:26:50Z

Batches so far

← Oudere versie		Versie van 7 jul 2026 20:26
Regel 549:		Regel 549:
	* Batch 3: 5 July 2026, 1.5L, using spa intense, fewer intra-bottle transfers; did not stir enough so the sugar was not well-dissolved, fixed by dissolving in spa, resulting drink was not sugary and not carbonated enough		* Batch 3: 5 July 2026, 1.5L, using spa intense, fewer intra-bottle transfers; did not stir enough so the sugar was not well-dissolved, fixed by dissolving in spa, resulting drink was not sugary and not carbonated enough
	* Batch 4: 7 July 2026, 1.5L, using spa intense, fewer intra-bottle transfers and stirred much better, still a bit flat, could be better		* Batch 4: 7 July 2026, 1.5L, using spa intense, fewer intra-bottle transfers and stirred much better, still a bit flat, could be better
			Ideas to improve:

			* Don't add spa intense to the syrup, but add syrup to the spa intense?
			* Perhaps Quellbrunn bruisend is more carbonated than spa intense? Or is it because the Quellbrunn bruisend is very cold?

Sjors Gielen: /* Make the first solution */

2026-07-07T20:22:15Z

Make the first solution

← Oudere versie		Versie van 7 jul 2026 20:22
Regel 542:		Regel 542:

	If the flavor is too mild, add more syrup 1; if too strong, add less.		If the flavor is too mild, add more syrup 1; if too strong, add less.

			=== Batches so far ===

			* Batch 1: 3 July 2026, using soda stream: tasted very flat, like very old cola
			* Batch 2: 4 July 2026, using spa intense but with too much intra-bottle transfers: much less flat but still a bit too much
			* Batch 3: 5 July 2026, 1.5L, using spa intense, fewer intra-bottle transfers; did not stir enough so the sugar was not well-dissolved, fixed by dissolving in spa, resulting drink was not sugary and not carbonated enough
			* Batch 4: 7 July 2026, 1.5L, using spa intense, fewer intra-bottle transfers and stirred much better, still a bit flat, could be better

Sjors Gielen: /* Make the first solution */

2026-07-07T19:48:40Z

Make the first solution

← Oudere versie		Versie van 7 jul 2026 19:48
Regel 533:		Regel 533:
	* Add 10mL of the water-based solution (syrup 2).		* Add 10mL of the water-based solution (syrup 2).
	* Add 1mL of the alcohol-based solution (syrup 1).		* Add 1mL of the alcohol-based solution (syrup 1).
	* Swirl to combine.		* Swirl and stir to combine.
	* Mix and microwave (600W/P80 for 3min, or otherwise heat) the mixture until nearly boiling, while covered with the watch glass.		* Mix and microwave (600W/P80 for 3min, or otherwise heat) the mixture until nearly boiling, while covered with the watch glass.
			* Swirl and stir to combine, make sure all sugar is dissolved.
	* Allow to cool completely to room temperature (I do this in ~20min by sitting the beaker in a layer of cold water, refreshed when it gets warm)		* Allow to cool completely to room temperature (I do this in ~20min by sitting the beaker in a layer of cold water, refreshed when it gets warm)
	* Once fully cooled, transfer to a 1L graduated bottle and dilute to a volume of 1L with cold carbonated water.		* Once fully cooled, transfer to a 1L graduated bottle and dilute to a volume of 1L with cold carbonated water.

Sjors Gielen: /* Make the first solution */

2026-07-07T19:44:21Z

Make the first solution

← Oudere versie		Versie van 7 jul 2026 19:44
Regel 534:		Regel 534:
	* Add 1mL of the alcohol-based solution (syrup 1).		* Add 1mL of the alcohol-based solution (syrup 1).
	* Swirl to combine.		* Swirl to combine.
	* Mix and microwave (600W for 3min, or otherwise heat) the mixture until nearly boiling, while covered with the watch glass.		* Mix and microwave (600W/P80 for 3min, or otherwise heat) the mixture until nearly boiling, while covered with the watch glass.
	* Allow to cool completely to room temperature (I do this in ~20min by sitting the beaker in a layer of cold water, refreshed when it gets warm)		* Allow to cool completely to room temperature (I do this in ~20min by sitting the beaker in a layer of cold water, refreshed when it gets warm)
	* Once fully cooled, transfer to a 1L graduated bottle and dilute to a volume of 1L with cold carbonated water.		* Once fully cooled, transfer to a 1L graduated bottle and dilute to a volume of 1L with cold carbonated water.

Sjors Gielen: /* Make the first solution */

2026-07-04T17:36:52Z

Make the first solution

← Oudere versie		Versie van 4 jul 2026 17:36
Regel 535:		Regel 535:
	* Swirl to combine.		* Swirl to combine.
	* Mix and microwave (600W for 3min, or otherwise heat) the mixture until nearly boiling, while covered with the watch glass.		* Mix and microwave (600W for 3min, or otherwise heat) the mixture until nearly boiling, while covered with the watch glass.
	* Allow to cool completely to room temperature.		* Allow to cool completely to room temperature (I do this in ~20min by sitting the beaker in a layer of cold water, refreshed when it gets warm)
	* Once fully cooled, transfer to a 1L graduated bottle and dilute to a volume of 1L with cold carbonated water.		* Once fully cooled, transfer to a 1L graduated bottle and dilute to a volume of 1L with cold carbonated water.

Sjors Gielen: /* Make the first solution */

2026-07-04T17:17:11Z

Make the first solution

← Oudere versie		Versie van 4 jul 2026 17:17
Regel 524:		Regel 524:
	To prepare, make 1L of carbonated water and put it in the fridge so it's cold.		To prepare, make 1L of carbonated water and put it in the fridge so it's cold.

			I've noticed that SodaStream carbonated water goes flat really quickly, and makes the cola very flat as well. So, I've switched to carbonated water from the supermarket.

			* Preparation
			** Prepare a 1mL, 10mL pipette and a stirring rod
			** Have a clean cloth ready to put the pipettes after use
	* Take a 1L beaker that's heat-proof.		* Take a 1L beaker that's heat-proof.
	* Add 104g sugar, and just enough water to dissolve the sugar (~~50-~~100mL?).		* Add 104g sugar, and just enough water to dissolve the sugar (100mL).
	* Add 10mL of the water-based solution (syrup 2).		* Add 10mL of the water-based solution (syrup 2).
	* Add 1mL of the alcohol-based solution (syrup 1).		* Add 1mL of the alcohol-based solution (syrup 1).
	* Swirl to combine.		* Swirl to combine.
	* Mix and microwave (or otherwise heat) the mixture until nearly boiling, while covered with the watch glass.		* Mix and microwave (600W for 3min, or otherwise heat) the mixture until nearly boiling, while covered with the watch glass.
	* Allow to cool completely to room temperature.		* Allow to cool completely to room temperature.
	* Once fully cooled, transfer to a 1L graduated bottle and dilute to a volume of 1L with cold carbonated water.		* Once fully cooled, transfer to a 1L graduated bottle and dilute to a volume of 1L with cold carbonated water.

Sjors Gielen: /* Overview */

2026-07-03T16:58:19Z

Overview

← Oudere versie		Versie van 3 jul 2026 16:58
Regel 50:		Regel 50:
	* 50 mL graduated cilinder		* 50 mL graduated cilinder
	** '''€14,74''' https://www.labshop.nl/maatcilinder-hoog-model-klasse-a-bruine-schaalverdeling/?attribute_pa_volume=10-ml		** '''€14,74''' https://www.labshop.nl/maatcilinder-hoog-model-klasse-a-bruine-schaalverdeling/?attribute_pa_volume=10-ml
			** '''Lesson for next time:''' 100mL would be much more convenient
	* some storage bottles (mainly 1L)		* some storage bottles (mainly 1L)
	** I'll produce 100 mL of pre-solution A, then dilute that into 1L of solution A and store the rest of the 80mL separately. Solution B is 1L at a time, so I'll need 3 storage bottles.		** I'll produce 100 mL of pre-solution A, then dilute that into 1L of solution A and store the rest of the 80mL separately. Solution B is 1L at a time, so I'll need 3 storage bottles.
Regel 60:		Regel 61:
	** or '''€7,45''' https://labstuff.nl/contents/nl/p135.html		** or '''€7,45''' https://labstuff.nl/contents/nl/p135.html
	** Ø 105mm, so '''watch glass ~€3''' https://labstuff.nl/contents/nl/p253.html		** Ø 105mm, so '''watch glass ~€3''' https://labstuff.nl/contents/nl/p253.html
			** '''Lesson for next time''': 100mL/200mL would be more convenient
	* magnetic stirrer for mixing		* magnetic stirrer for mixing
	** '''source: Michiel has one'''		** '''source: Michiel has one'''
Regel 68:		Regel 70:
	* water carbonator / sodastream		* water carbonator / sodastream
	** '''Sjors has this at home'''		** '''Sjors has this at home'''
			** '''Turns out, from experience, that SodaStream water is not carbonated enough. Need to find a way to have water that is more carbonated.'''
	* gloves / safety glasses		* gloves / safety glasses
	** gloves €4,17		** gloves €4,17

Sjors Gielen: /* Make vanillin solution */

2026-07-03T12:45:20Z

Make vanillin solution

← Oudere versie		Versie van 3 jul 2026 12:45
Regel 473:		Regel 473:
	What we're making:		What we're making:

	* ~~1mL~~ of vanillin solution at 0.95g/L (according to the original recipe), used in syrup 2		* 1L of vanillin solution at 0.95g/L (according to the original recipe), used in syrup 2

	Steps:		Steps:

Sjors Gielen: /* Make vanillin solution */

2026-07-03T12:44:42Z

Make vanillin solution

← Oudere versie		Versie van 3 jul 2026 12:44
Regel 473:		Regel 473:
	What we're making:		What we're making:

	* ~~100mL~~ of vanillin solution at 0.95g/L (according to the original recipe), used in syrup 2		* 1mL of vanillin solution at 0.95g/L (according to the original recipe), used in syrup 2

	Steps:		Steps:

	* Weigh ~~0.10g~~ vanillin powder (or slightly less) onto a paper funnel and tip into a clean 100mL volumetric flask		* Weigh 1g vanillin powder (or slightly less) onto a paper funnel and tip into a clean 100mL volumetric flask
	* Add water to roughly half full and swirl to dissolve		* Add water to roughly half full and swirl to dissolve
	* Fill to the 100mL mark with water		* Fill to the 100mL mark with water
	* Add the stopper, invert several times to mix		* Add the stopper, invert several times to mix
			* Put in a 1L bottle and add to 1L of water, then mix again
	* Label "Vanillin solution - 1.00g/L", add production date and best-before date		* Label "Vanillin solution - 1.00g/L", add production date and best-before date